kernel/sysctl.c: remove duplicate UINT_MAX check on do_proc_douintvec_conv()

do_proc_douintvec_conv() has two UINT_MAX checks, we can remove one.
This has no functional changes other than fixing a compiler warning:

  kernel/sysctl.c:2190]: (warning) Identical condition '*lvalp>UINT_MAX', second condition is always false

Fixes: 4f2fec00afa60 ("sysctl: simplify unsigned int support")
Link: http://lkml.kernel.org/r/20170919072918.12066-1-mcgrof@kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Reported-by: David Binderman <dcb314@hotmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 423554ad3610..4da9e622471f 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2188,8 +2188,6 @@ static int do_proc_douintvec_conv(unsigned long *lvalp,
         if (write) {
                 if (*lvalp > UINT_MAX)
                         return -EINVAL;
-                if (*lvalp > UINT_MAX)
-                        return -EINVAL;
                 *valp = *lvalp;
         } else {
                 unsigned int val = *valp;